// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({
  env:'jk-pbfnn'
})

// 云函数入口函数
exports.main = async (event, context) => {
  const wxContext = cloud.getWXContext()
  const db=cloud.database()
  const studentCollection=db.collection('student')
  let choosen = event.user.choosen
  let _id=event.user._id
  let res=await studentCollection.where({
    _id
  }).update({
    data:{
      choosen
    }
  })
  console.log(res)

  return {
    res
  }
}